Manual of basic techniques for a health laboratory - libdoc.who.int

12 Manual of basic techniques for a health laboratoryFig. 2.2 Alternative plan for a one-room laboratory1: outpatient’s table; 2: hand-operated centrifuge; 3: microscopes; 4: haematology area; 5: colorimeter; 6: waterbath;7: electric centrifuge; 8: syphilis serology and biochemistry area; 9: reagent refrigerator; 10: reagent shelf;11: glassware shelf; 12: balance; 13: staining box; 14: area for examination of sputum specimens; 15: Bunsenburner; 16: sinks; 17: waste sink; 18: bed for patients; 19: record-keeping area; 20: area for examination of stoolspecimens; 21: area for examination of urine specimens; 22: area for reception of specimens; 23: gas bottle.2.1.2 A two-room laboratoryIf two rooms are available, it is recommended that the second be used for washingand sterilization. Dirty and/or contaminated material should be removed from thelaboratory working area as quickly as possible, both for the safety of the workersand to avoid errors and cross-contamination.2.2 ElectricityA reliable energy supply should be available to ensure continuity of the work in alaboratory. The energy can be provided from the following sources: